Screw holder for screw drivers



halt 1 such illustration is to be taken as conven tional. a 1' Y H In carrying out the invention, ferrules or rings 6 and 7 are providedbeing disposed tn the shank 4. Each ferrule hasan openingor bore :8 through which the shank 4: extends {and said bore is enlarged or provided with raieaitanttaa. ieea. t

i To (2 scnnw nonnsn son scsnw nmvnnfs.

aWcitizen otthe United States, residing at new and useful Improvements in' iScrew drivers to fltochester, in the county of Monroe and State ot New York, have invented certain lfiiolderstor Screw Drivers; andl do hereby d eel a re the tolloivlng emctdescriptlon of the inventlon, suchas will enable others skilled in the-art to which t appertams to make and use the same.

T1113 inventlonrelates to an attachment to hold screws. infdriving. relation to screwfacilitate application and driving thereof.*"

The invention proved, sii nplified andeh'icient combination, arrangement andstructural features or the i drawings illustrating partsforniing the attachment as hereinafter described with referencefto accompanying one practical embodi e ment, andthen claimed.

Fig.2 is a merit,

q '113-3 of Fig. 1, 1, 1Q W alone taken ata right angle to the position of: Fig.1,and

Ma- 5 of Fig.1. a In the different views otthe drawings,

U lnsaiddrawingsz-f Fig. 1 is an elevation of a screwdriver having my attachmentapplied thereto.

perspective view of the attach-v Fig. 3 1s a cross sectional view on; the line Fig. 4 is an elevation of the attachment Fig. 5 is across sectional view. on the line like reference characters designate like or similar parts.

lg? Referring specifically to said drawings,

a the invention is applicable to screw-drivers ratchet type, orthose operable through slid generally, such as the ordinarytype, the

ing movement of the handletowards the screw. Tl he shank of ascre w driver is shown "passage overthe widened at l, having the usual driving endor blade.

5. 1 in view of the scope of the attachment,

in spacedirelation and slidably mounted on diametricallyopposite slots 91 to facilitate portion Of the blade of the shank. a a. i

1 to i be a full, 1 clear, and

V ap ncatimnea oct bemo, 1e21, "se riar so. 505 .797.

Spotfwelded or otherwise secured to the ferrule 7 are rigid-"arms 10 disposed longitudinally of and: on opposite sides oi the 13- and-the latter efftend through: and beyond and are slidablevin slots l4=i1rthefermile 6.

The free ends of the arms 13 extend toward each other asat lugs 1.5 and each end has suggested atflb is engaged, the blade of the screw-driver entersthefkert or slot 17 in f estates wleotnfor necessities nnwmosin' screw driver. "tilidably n iounted on arms 10 as by means of fastening studs 11 passmg throughelongateil slots Il2are reslhent arms notchor recess 16. Arms 13 are bowed inwardly intermediate theirvends to increase p 1 their resiliency and tension them to separate at the lugs 15. Manipulation fingers 16 err-1 t 1 tend from arms 13. Thus, of the ferrule 6 resides in the novel :,fim-

the usual manner andthe shank of the screw is disposedin and practically completely.

surrounded bythe notches 16. Secured in any suitable manner, as by spot welding, to ferrule 6 is alrarm or ro inthe disk 17 and adapted to bind at its free end against said shank. Said set screw 21 has a manipulatinghead 22.

In use, the attachment 1s readily applied 1 to or-removed from a screw driver, being the shanks, a machine screw 21 is threaded d 18 which passes slidably through and beyond binding. against the shank 4;. Whe the screw 1s to be engaged, button 20 is pulled inwardly so as to move the ferrule 6 in Wardly, permitting expansion of the arms 13 and separation of the lugs 15. A. screw is then applied to the blade so that it will extend into the lrerf 17," this action being facili tated by appropriate slidingadjustment or the arms 13 relative to the blade 5. "lherethe ferrule 7 to move towards the screw and after knob 20 is pushed outwardly, causing as a result move the armslBinwardly caus- 1 -ing them to engage and retain the screw in I in the usual manner after placing the screw at the desired lOCttiZlOD. After the screw has been started into the WOlli, or 1s near the end of its insertion movement, knob 20 may be drawn away trom the screw to permit nlay. be resortedytov\vithinthe, spirit and scope. I .e

I claim as my 1nvent1on:. A, screw-holding attachment for screwdrivers eomprisinge ferrule, means to anehor said ferrule on the shank of the screw driver, arms extending from said ferrule and tensioned to move away from the shank,

a second ferrule, said second ferrule having slots receiving said arms and movable along the ermsto move them into screw-holding position, a, bar extending from the second mentioned fer r ulelslidable through the first mentioned ferrule and operable to move the second mentioned ferrule, and screw-holding lugs at the free ends of said arms.

In testimony whereof I aliix my signature in, presence of two witnesses CHARLES W. COLE. Vitnesses:

ATTILI D. Menu, WARREN R. Conn. 

